/*
 * ports.h
 *
 *  Created on: Mar 21, 2023
 *      Author: Keith.Lloyd
 */

#ifndef PORTS_H_
#define PORTS_H_

typedef struct ACCESSORY_s ACCESSORY_t;
typedef int (*AccessoryHandler_t)(ACCESSORY_t *accy);

typedef enum {
	ID_BROADCAST = -1,
	ID_ERROR = 0,			//0V should never happen. Error condition
	ID_TX_SINGLE_DIRECT,	//Transmitter accessory
	ID_TX_DUAL_DIRECT,		//Transmitter accessory
	ID_TX_TBD1,				//
	ID_CLAMP2,				//
	ID_CLAMP,				//Receiver Clamp
	ID_TBD1,				//
	ID_DIGITAL,				//Digital Accessory - Use for EMS boot in future
	ID_FAULT_PROBE,			//Fault Probe
	ID_TBD2,				//
	ID_TBD3,				//
	ID_NONE,				//No accessory connected
	ID_NUM
}ACCY_ID_t;

typedef enum
{
	PORT_STATE_DEINIT = -1,
	PORT_STATE_INIT = 0,
	PORT_STATE_STANDBY = 1,
	PORT_STATE_RUNNING = 2,
} PortState_t;

typedef enum
{
	ACCY_PORT_INDUCTION = 0,
	ACCY_PORT_1 = 1,
	ACCY_PORT_2 = 2,
	NUM_PORTS
} AccessoryPortId_t;

typedef enum
{
	CHANNEL_A = 0,
	CHANNEL_B,
	NUM_CHANNELS
} AccyChannelId_t;

typedef struct
{
	AccyChannelId_t id;
	bool connected;
} AccessoryChannel_t;

struct ACCESSORY_s {
	bool		isConnected;		//Accessory is connected
	ACCY_ID_t 	connected;			//Currently connected accessory
	ACCY_ID_t 	lastDetected;		//accessory detected last scan
	uint32_t 	consecutiveScans;	//number of consecutive scans of same accessory
	float	*idVoltage;
	PortState_t	state;
	bool initState;
	AccessoryHandler_t handler;

	AccessoryChannel_t channels[NUM_CHANNELS];

	AccyChannelId_t activeChannel;

	uint32_t stateTimer;

	AccessoryPortId_t portId;

};

#define	DELAY_100MS	10
#define	DELAY_ONE_SECOND	100

#define AC_NUM_SCANS_TO_CONNECT		3		//require 3 consecutive scans to connect to accessory

#define	A1_SLCT			0b00000000
#define	A2_SLCT			0b00010000
#define B1_SLCT			0b00001000
#define	B2_SLCT			0b00011000
#define TOP_SR			0				//0
#define MID_SR			1
#define	BOTTOM_SR		2				//1
#define	LF				false
#define HF				true

typedef enum {
	ONE,
	TWO,
	THREE,
	FOUR
}OUTPUT_SELECT_t;


void ACCY_Init(void);
bool ACCY_isKnown(ACCY_ID_t id);
void ACCY_Update(void);
void ACCY_Update1(void);
void ACCY_Update2(void);
void Read_Tx_Ports(void); // check for whats plugged in at the ports.
void Tx_ConfigureFrequency(void);
void ACCY_Connect1(ACCY_ID_t id);
void ACCY_Connect2(ACCY_ID_t id);
bool ACCY_IsConnected(uint8_t port);
ACCY_ID_t ACCY_GetConnectedAccessory(uint8_t port);
ACCY_ID_t ACCY_GetActive(void);
void Select_Output_Port(void); // Mutually exclusive output port selector
void Enable_BC(void);
void Disable_DC(void);
void Disable_BC(void);
void Disconnect(uint8_t port); // called when you disconnect
uint32_t Search_BC_Frequency(void);
uint32_t Search_Frequency(uint32_t pattern);
bool Is_Clamp_Detected(void);
void Cycled_Freq_Change_BC(uint8_t value);
void Reset_Power_Gain(void);


void ACCY_service(void);

bool ACCY_Connect(ACCESSORY_t *accy, ACCY_ID_t id);
void ACCY_setActive(ACCESSORY_t *accy, AccyChannelId_t channel);
void ACCY_next(void);
#endif /* PORTS_H_ */